1. Capacity: 2 hoppers of 250 kg capacity each to receive sand and metal.

2. Chassis: heavy duty robust made out of heavy steel section.

3. Transmission: By mechanical joints provided with dust covered bearings.

4. Weighing system: pan weight of (a) 500 grams* 6 nos, (b) 1 kg*4 nos.

5. Fixed ratio between sand and gravel.